Extracting prog: 3m3.400626405s Minimizing prog: 16m34.583013772s Simplifying prog options: 6m25.420328747s Extracting C: 2m9.711624694s Simplifying C: 0s 1 programs, timeouts [30s 1m40s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler-sendmmsg$unix-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x21}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler-sendmmsg$unix-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x21}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler-sendmmsg$unix-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-timer_create detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x21}, &(0x7f0000000000)) program crashed: INFO: rcu detected stall in corrupted testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler-sendmmsg$unix-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sched_setscheduler detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) program did not crash testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted suppressed program crash: INFO: rcu detected stall in corrupted testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program did not crash testing program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m56.659793841s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix program did not crash simplifying guilty program options testing program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted extracting C reproducer testing compiled C program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix program did not crash testing program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program did not crash reproducing took 28m27.195778531s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P9 } 2662 jiffies s: 1641 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): report is corrupted, running repro again testing program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing program (duration=1m56.659793841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-ioctl$TIOCGPGRP-sendmmsg$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4400 } 2628 jiffies s: 1605 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug):